ATTINY40-MMHR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics:
  • Low-power consumption
  • High-performance 8-bit AVR microcontroller
  • Compact size
  • Wide operating voltage range
• Package: QFN (Quad Flat No-leads)
• Essence: ATTINY40-MMHR is a versatile microcontroller designed for various applications requiring low power and high performance.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Architecture: AVR
• Bit Size: 8-bit
• Flash Memory: 4KB
• SRAM: 256 bytes
• EEPROM: 128 bytes
• Operating Voltage Range: 1.8V to 5.5V
• Clock Speed: Up to 20 MHz
• Digital I/O Pins: 32
• Analog Input Pins: 12
• Communication Interfaces:
  • Two-wire Serial Interface (TWI/I2C)
  • Universal Synchronous and Asynchronous serial Receiver and Transmitter (USART)
  • SPI (Serial Peripheral Interface)
• Timers/Counters: 3
• Comparators: 1
• ADC Channels: 12
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ATTINY40-MMHR microcontroller has a total of 32 pins arranged as follows:

```

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| | | U | |_______|

U = VCC G = GND P = Digital I/O Pin A = Analog Input Pin R = Reset Pin ```

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | PA0 | Digital I/O or Analog Input | | 2 | PA1 | Digital I/O or Analog Input | | 3 | PA2 | Digital I/O or Analog Input | | ... | ... | ... | | 30 | PA7 | Digital I/O or Analog Input | | 31 | GND | Ground | | 32 | VCC | Power Supply (1.8V to 5.5V) |

Functional Features

• Low-power consumption for extended battery life in portable devices.
• High-performance 8-bit AVR microcontroller architecture for efficient processing.
• Wide operating voltage range allows compatibility with various power sources.
• Compact size enables integration into space-constrained designs.
• Multiple communication interfaces facilitate connectivity with other devices.
• Built-in timers/counters and ADC channels enhance functionality.

Advantages

• Low power consumption extends battery life in portable applications.
• Compact size allows for integration into small form factor designs.
• Versatile digital and analog I/O pins provide flexibility in connecting external components.
• Wide operating voltage range ensures compatibility with different power sources.
• High-performance AVR architecture enables efficient processing.

Disadvantages

• Limited flash memory and SRAM may restrict the complexity of applications.
• Lack of built-in peripherals, such as USB or Ethernet, may require additional external components for certain applications.
• Limited number of I/O pins may limit the number of external devices that can be connected simultaneously.

Working Principles

The ATTINY40-MMHR microcontroller operates based on the AVR architecture, utilizing an 8-bit RISC CPU core. It executes instructions stored in its flash memory, which can be programmed using a suitable development environment. The microcontroller communicates with external devices through its digital and analog I/O pins, utilizing various communication interfaces such as TWI/I2C, USART, and SPI. It can perform tasks based on programmed instructions, interact with sensors, control actuators, and communicate with other devices.

Application Field Plans

The ATTINY40-MMHR microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: Enables connectivity and control in IoT applications such as smart home systems, environmental monitoring, and industrial automation.
2. Consumer electronics: Used in portable devices, wearables, remote controls, and small appliances.
3. Embedded systems: Suitable for embedded applications requiring low power consumption and compact size, such as medical devices, automotive systems, and industrial control systems.

Alternative Models

• ATTINY20-MMHR
• ATTINY44A-MMHR
• ATTINY84A-MMHR
• ATTINY1614-MMHR
• ATTINY3217-MMHR

These alternative models offer similar functionality and are compatible with the ATTINY40-MMHR, providing options with different memory sizes, I/O configurations, and additional features.

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